Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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06/07/2006 | CN1783626A Transformer longitudinal error protecting element with multiple side zero sequence ratio brake |
06/07/2006 | CN1783625A Transformer longitudinal error protecting element with maximum side zero sequence ratio brake |
06/07/2006 | CN1783624A Transformer longitudinal error protective element with zero sequence ratio brake |
06/07/2006 | CN1783623A Fault component transformer longitudinal error protecting element with multiple side zero sequence ratio brake |
06/07/2006 | CN1783622A Fault component transformer longitudinal protecting element with maximum side zero sequence ratio brake |
06/07/2006 | CN1783621A Fault component transformer longitudinal error protecting element with zero sequence ratio brake |
06/07/2006 | CN1783620A Fault component transformer longitudinal error protecting method with multiple side zero soquence ratio brake |
06/07/2006 | CN1783619A Tault component transformer longitudinal error protecting method with maximum side zero sequence ratio brake |
06/07/2006 | CN1783618A Fault component transformer longitudinal error protecting method with zero sequence ratio brake |
06/07/2006 | CN1783617A Transformer longitudinal error protecting element with multiple side zero sequence ratio brake |
06/07/2006 | CN1783616A Transformer longitudinal error protecting element with maximum zero sequence ratio brake |
06/07/2006 | CN1783615A Transformer longitudinal error protecting element with zero sequence ratio brake |
06/07/2006 | CN1783614A Transformer longitudinal error protective method with multiple side zero sequence ratio brake |
06/07/2006 | CN1783613A Transformer longitudinal error protecting method with maximum side zero sequence ratio brake |
06/07/2006 | CN1783612A Transformer longitudinal error protecting method with zero sequence ratio brake |
06/07/2006 | CN1258850C Impedance relay protection device according to phase compensation and method thereof |
06/06/2006 | US7058482 Data sample and transmission modules for power distribution systems |
06/06/2006 | US7058481 Method and apparatus for centrally-controlled electrical protection system architecture reliability improvement based on sensitivity analysis |
06/06/2006 | US7057377 Z-state circuit for switching regulators |
06/06/2006 | CA2202658C Multi-wire terminal block employing removable surge protector |
06/01/2006 | US20060114700 Method for controlling the transient response of a power converter powering a load, transient response controller and power converter |
06/01/2006 | US20060114633 Overcurrent detecting apparatus |
06/01/2006 | US20060114625 Electric motor circuit with overload protection |
06/01/2006 | US20060114624 System and method for regulating power in a multiple-output switching converter |
06/01/2006 | US20060114623 Switching type power source device and magnetio resonance imaging device using the same |
06/01/2006 | US20060114065 High linearity digital variable gain amplifier |
06/01/2006 | US20060113943 Contact-detecting apparatus |
06/01/2006 | DE102005055630A1 Verfahren zum Schutz einer elektronischen Vorrichtung, die von einem Gleichstrom-Motor angetrieben wird, und Schaltung zum Erkennen von Positioniersignalen davon A method for protecting an electronic device which is driven by a DC motor, and circuitry for detecting positioning signals thereof |
06/01/2006 | DE102004057066A1 Elektromechanischer Antrieb Electromechanical drive |
06/01/2006 | DE102004053850A1 Verfahren und Vorrichtung zum Temperaturschutz für mindestens einen Antrieb in einem Fahrzeug Method and apparatus for thermal protection for at least one drive in a vehicle |
05/31/2006 | EP1662263A1 Dry-type high-voltage load system device and method for preventing chain disconnection/arc discharge of the device |
05/31/2006 | EP1661223A1 Switching device |
05/31/2006 | EP1661220A2 Live conductor stringing and splicing method and apparatus |
05/31/2006 | EP1476627B1 Method for recognising an obstructive situation in a motor driven element |
05/31/2006 | EP0929925B1 Circuit for controlling a motor with a device for recognising an overload |
05/31/2006 | CN2785226Y Long-distance short circuit protector |
05/31/2006 | CN1780348A Power supply controlling method and system for telecommunication system |
05/31/2006 | CN1780162A Mobile communication terminal with anomalous electric current checking function and method thereof |
05/30/2006 | US7054174 Series power switch bridge having the ability of automatic voltage-sharing |
05/30/2006 | US7054173 Circuit with DC filter having a link fuse serially connected between a pair of capacitors |
05/30/2006 | US7054121 Protection circuit for preventing unauthorized access to the memory device of a processor |
05/30/2006 | US7053626 Device and method for monitoring the connection of an electrical supply unit |
05/30/2006 | US7053593 Protection circuits for a DC-to-DC converter |
05/30/2006 | US7053497 Monitoring system for a generator |
05/25/2006 | US20060109691 Power converter |
05/25/2006 | US20060109611 Arrangement for controlling and monitoring a switching installation |
05/25/2006 | US20060109594 Safety interface system |
05/25/2006 | US20060109593 Voltage stabilizer |
05/25/2006 | US20060108987 System and method for determining whether a charging wire is broken |
05/25/2006 | US20060108959 Drive arrangement for activating the hatch of a motor vehicle |
05/24/2006 | CN2783614Y Car motor with interference-resisting performance |
05/24/2006 | CN2783595Y Improved structure for motor phase-loss and overload protection |
05/24/2006 | CN2783594Y 自动式漏电保护器 Automatic leakage protection |
05/24/2006 | CN1777522A Traction transformer and method for monitoring an operating status of a traction transformer |
05/24/2006 | CN1776986A Controllable damp device of ferromagnetic resonance for electromagnetic voltage transformer for distribution network |
05/24/2006 | CN1776759A Intelligent transformer power line anti theft device |
05/23/2006 | US7050313 Aircraft AC-DC converter |
05/23/2006 | US7050282 Power supply clamp circuit |
05/23/2006 | US7050281 Device and method for determining rare short circuit |
05/23/2006 | US7050280 High speed transfer system |
05/23/2006 | US7050278 Motor controller incorporating an electronic circuit for protection against inrush currents |
05/23/2006 | US7049958 Integrated circuit for a transponder |
05/18/2006 | WO2006052744A2 Position-sensorless control of interior permanent magnet machines |
05/18/2006 | WO2006052535A2 Surge-suppression system for submersible electric motors |
05/18/2006 | WO2006051853A1 Freezing apparatus |
05/18/2006 | WO2006051060A1 Method and device for automatic systems designed to operate movable barriers |
05/18/2006 | US20060104097 DC converter |
05/18/2006 | US20060103992 Voltage regulator |
05/18/2006 | US20060103239 Vehicle-mounted power generator set |
05/18/2006 | DE10346645B4 Mit elektrischem Motor angetriebenes Servolenkgerät With electric motor-driven power steering apparatus |
05/18/2006 | DE102005053257A1 Leistungshalbleitervorrichtung Power semiconductor device |
05/18/2006 | DE102004058957A1 Electric arc identifying device for motor vehicle, has evaluation unit to identify arc based on sensor signals and information, which is about condition of loads that are applied in electric circuit and input into device via interface |
05/18/2006 | DE102004058633B3 Fault current limiter for use in power circuit, has two main valves provided for bridging inductors, and two auxiliary valves connected in series with main valves and bridged by protective circuit for limiting current when fault occurs |
05/18/2006 | DE102004034333A1 Verfahren zum Regeln eines an einer Gleichspannungsquelle angeschlossenen Stromrichters A method for controlling a device connected to a DC voltage source converter |
05/18/2006 | CA2586785A1 Surge-suppression system for submersible electric motors |
05/17/2006 | EP1657799A2 Battery device in a mobile terminal and operating method thereof |
05/17/2006 | EP1656730A1 Protection circuit for a power supply unit, and power supply unit with a respective protection circuit |
05/17/2006 | EP1656722A2 Methods, systems and apparatus for regulating frequency of generated power using flywheel energy storage systems with varying load and/or power generation |
05/17/2006 | EP1558939A4 Apparatus and method for simultaneously detecting the power state of a plurality of circuit breaker switches |
05/17/2006 | EP1057233B1 Zone arc fault detection |
05/17/2006 | CN1773876A Battery device in a mobile terminal and operating method thereof |
05/17/2006 | CN1773802A Matrix type converter fault protecting method and circuit for supporting fault-tolerant operation |
05/17/2006 | CN1773801A Switch supply source cut-off type output short-circuit protector |
05/17/2006 | CN1773799A Ratio braking method of variable brake coefficient based on time scale |
05/17/2006 | CN1773409A Power supply device for display equipment |
05/17/2006 | CN1256593C Method and apparatus for identifying failure in radiation electric network and use of the same method |
05/16/2006 | US7046530 Method and apparatus for current limiting of an output of a DC-to-DC converter |
05/16/2006 | US7046492 Power transformer/inductor |
05/16/2006 | US7045990 Portable device having a charging circuit and semiconductor device for use in the charging circuit of the same |
05/16/2006 | US7045984 Method and apparatus for adjustment and automatic readjustment of the lamp in a microscope |
05/16/2006 | US7045982 Driving circuit for brushless motor |
05/16/2006 | US7045837 Hardmask with high selectivity for Ir barriers for ferroelectric capacitor manufacturing |
05/11/2006 | WO2006000431A3 Control device of an adjusting device of a motor vehicle |
05/11/2006 | US20060098366 Battery protecting circuit |
05/11/2006 | US20060098359 Surge-suppression system for submersible electric motors |
05/11/2006 | US20060098358 Power supply configured to detect a power source |
05/11/2006 | US20060097728 Fault location using measurements of current and voltage from one end of a line |
05/11/2006 | US20060097703 Output control device of generation device |
05/11/2006 | US20060097702 Position-sensorless control of interior permanent magnet machines |
05/11/2006 | DE202006004221U1 Frequency converter, has protection unit dividing space within housing into immolating section and protection section and impeding spreading of degrading effect of explosion occurring in immolating section into protection section |